著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) STEVENS JA,"Physical activity, functional limitations, and the risk of fall-related fractures in community-dwelling elderly",Ann Epidemiol,,,1997,7,1,54-61,https://cir.nii.ac.jp/crid/1571698600857350784,